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Communication Interface (continued)
The UPS data is provided at 2400 bps baud rate and made up of 8-bit,
1 stop-bit, and no parity bit. All information is encoded in ASCII format.
HARDWARE:
BAUD RATE ------------------------2400 bps
DATA LENGTH --------------------8 bits
STOP BIT ---------------------------1-bit
PARITY ------------------------------NONE
CABLING:
COMPUTER UPS
RX (pin2) TX (pin2)
TX (pin3) RX (pin3)
GND (pin5) GND (pin5)
P73335u_UPS_man.qxd 4/30/01 12:19 PM Page 22